if video_formats:
return video_formats[0]
else:
- extensions = ['mp4', 'flv', 'webm', '3gp', 'm4a']
+ extensions = ['mp4', 'flv', 'webm', '3gp', 'm4a', 'mp3', 'ogg', 'aac', 'wav']
if format_spec in extensions:
filter_f = lambda f: f['ext'] == format_spec
else: